1. From the Department of Radiology (J.S.S., L.L., D.K., D.D., C.E.C., C.H.L., M.A., E.A.M., M.S.J.) and Department of Epidemiology and Biostatistics (M.C.P., C.S.M.), Memorial Sloan-Kettering Cancer Center, 300 E 66th St, New York, NY 10065. From the 2017 RSNA Annual Meeting.